What side effects may I notice from receiving Flumadine?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-breathing difficulties
-chest pain or palpitations
-seizures
-unusually weak or tired
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-difficulty sleeping
-dizziness
-dry mouth
-headache
-loss of appetite
-nausea
-stomach pain

This list may not describe all possible side effects for Flumadine. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.